Required: a) The Chief Risk Officer ("CRO") for JCUS Bank has the following Asset/Liability profile (in US $ billions). If the CRO wants a duration gap of 3.5, how much should the bank raise in savings accounts? b) A bank issues a $100,000 fixed-rate 30 -year mortgage with a nominal annual rate of 4.5%. If the required rate drops to 4.0% immediately after the mortgage is issued, what is the impact on the value of the mortgage? (5 marks) c) Calculate the duration of a $100,000 fixed-rate 30 -year mortgage with a nominal annual rate of 7.0%. What is the expected percentage change in value if the required rate drops to 6.5% immediately after the mortgage is issued? Required: a) The Chief Risk Officer ("CRO") for JCUS Bank has the following Asset/Liability profile (in US $ billions). If the CRO wants a duration gap of 3.5, how much should the bank raise in savings accounts? b) A bank issues a $100,000 fixed-rate 30 -year mortgage with a nominal annual rate of 4.5%. If the required rate drops to 4.0% immediately after the mortgage is issued, what is the impact on the value of the mortgage? (5 marks) c) Calculate the duration of a $100,000 fixed-rate 30 -year mortgage with a nominal annual rate of 7.0%. What is the expected percentage change in value if the required rate drops to 6.5% immediately after the mortgage is issued